Compilare: user.cpp: In function ‘void aflu_nivel(int, int)’: user.cpp:14:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<g[nod].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:35:25: warning: variable ‘auxx’ set but not used [-Wunused-but-set-variable] int i, n, x, y, aux, j, auxx, auxy, lg, m, nrx, nry; ^ user.cpp:35:44: warning: variable ‘nrx’ set but not used [-Wunused-but-set-variable] int i, n, x, y, aux, j, auxx, auxy, lg, m, nrx, nry; ^ user.cpp:35:49: warning: variable ‘nry’ set but not used [-Wunused-but-set-variable] int i, n, x, y, aux, j, auxx, auxy, lg, m, nrx, nry; ^